2010 Outdoor Track & Field: In the 2010 outdoor season Duffy moved up to the 5k and had PR's in the 1500-5k ... Placed third at the Ivy League Championship meet at Princeton and qualified for IC4As in the 5k.

2009-10 Indoor Track & Field: Duffy had completed his first full season of indoor track in his career ... Improved in all events from the 1k, to the 3k and is now ninth all-time for Brown in the 3k and 10th all-time in the mile... He qualified for IC4As in three individual events along with the Distance Medley Relay ... Anchored the Distance Medley relay which placed 5th at IC4As with a time of 9:47 which is also fourth fastest time in Brown University history.

Cross country(2008): Placed fourth at the Dartmouth Invitational as Brown's highest finisher ... At the New England Championships finished 20th and was the top freshman in the race ... At the Ivy League Championships, placed 33rd and was the third fastest freshman in the race ... Named Top Freshman after 2008 cross country season.

2008-2009 indoor season: Did not compete due to illness.

Indoor Personal Records: 1k- 2:29 Mile- 4:08 3k- 8:14

Outdoor Personal Records: 1500- 3:53 5k- 14:23

High School: A four year Varsity letter earner in both Track and Cross Country, Duffy's top finishes at the California State meet in division 4 were 6th in 2005, 7th in 2006 and 8th in 2007 ... He was also a two time North Coast Section Champion in Cross Country ... Duffy also placed 21st at the Footlocker West Regional Championships ... In track Duffy had a PR of 9:09 in the 3200m and 4:17 in the 1600 ... His time of 9:09 in the 3200m placed him 8th at the California State Championships and he also finished runner up in the 3200m at the North Coast Section Meet of Champions ... Duffy held school records in the 1600m, 3200m and Distance Medley Relay.

Personal: Matt is the son of Bill and Mara Duffy; has two older sisters Bridget and Adeline ... Concentrating in Commerce, Organizations & Entrepreneurship.